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First time wall mounting an ASHP

Air Source Heat Pumps (ASHPs)

Last Post by ASHP-BOBBA 3 weeks ago

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Renewables345

(@renewables345)

Active Member Member

Joined: 3 months ago

Posts: 4

Topic starter 10/11/2025 3:37 pm

Hi all,

I have got the go ahead on a job to move their 5kW Samsung R32 from the floor, up onto a wall. I was planning to use these brackets (Pump House Type CBR2-L 2 Wall Bracket 540mm Long Arm 140Kg For Air Source Heat Pump), but as I mentioned I haven't done so before. Is there anything I should look out for, and what difference would this make on efficiency compared to your standard floor mount?

Thank you in advance

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bontwoody

(@bontwoody)

Noble Member Contributor

Joined: 4 years ago

Posts: 952

10/11/2025 3:45 pm

Im no expert, but if you are raising the heat pump, the air should be warmer than down on the ground and so it should improve its efficiency slightly.

House-2 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60

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Toodles

(@toodles)

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Joined: 3 years ago

Posts: 2312

10/11/2025 4:32 pm

@bontwoody Adam Chapman Heat Geek carried out an interesting experiment using mirrors (no smoke) to reflect sunlight back at the pump. Can’t remember which but it is a YouTube presentation of his. Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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bontwoody

(@bontwoody)

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Joined: 4 years ago

Posts: 952

10/11/2025 4:45 pm

@toodles Ill have to look that one up 😁

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Toodles

(@toodles)

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Joined: 3 years ago

Posts: 2312

10/11/2025 5:02 pm

@bontwoody Try;

Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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ASHP-BOBBA

(@ashp-bobba)

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Joined: 12 months ago

Posts: 313

10/11/2025 8:24 pm

Posted by: @renewables345

↑

Hi all,

I have got the go ahead on a job to move their 5kW Samsung R32 from the floor, up onto a wall. I was planning to use these brackets (Pump House Type CBR2-L 2 Wall Bracket 540mm Long Arm 140Kg For Air Source Heat Pump), but as I mentioned I haven't done so before. Is there anything I should look out for, and what difference would this make on efficiency compared to your standard floor mount?

Thank you in advance

what you need to do is everything you can to remove the vibration through the wall, these brackets are very good and allow you to adjust a rear foot to level the bracket tilt, I would add some aditional 100Kgs antivibe mounts as well, these can come with an 8mm M/M thread each side and would sit straight inside.

Good luck

AAC Group Ltd covering the Kent Area for design, supply and installation of ASHP systems, service and maintenance, diagnostics and repairs.
Professional installer. Book a one-to-one consultation for pre- and post-installation advice, troubleshooting and system optimisation.

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